Children&#39;s height measuring device



FIG. 1 is a front perspective view of a children's height measuring device showing new design;

FIG. 2 is a left side view;

FIG. 3 is a rear elevational view;

FIG. 4 is a top plan view; and,

FIG. 5 is a bottom plan view. 

The ornamental design for a children's height measuring device, as shown and described. 